./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:18:30,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:18:30,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:18:30,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:18:30,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:18:30,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:18:30,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:18:30,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:18:30,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:18:30,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:18:30,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:18:30,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:18:30,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:18:30,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:18:30,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:18:30,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:18:30,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:18:30,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:18:30,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:18:30,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:18:30,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:18:30,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:18:30,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:18:30,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:18:30,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:18:30,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:18:30,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:18:30,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:18:30,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:18:30,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:18:30,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:18:30,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:18:30,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:18:30,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:18:30,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:18:30,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:18:30,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:18:30,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:18:30,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:18:30,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:18:30,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:18:30,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:18:30,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:18:30,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:18:30,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:18:30,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:18:30,907 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:18:30,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:18:30,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:18:30,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:18:30,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:18:30,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:18:30,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:18:30,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:18:30,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:18:30,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:18:30,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:18:30,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:18:30,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:18:30,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:18:30,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:18:30,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:18:30,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:18:30,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:18:30,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:18:30,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:18:30,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:18:30,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:18:30,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:18:30,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:18:30,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-11-15 23:18:30,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:18:30,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:18:30,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:18:30,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:18:30,961 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:18:30,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-11-15 23:18:31,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/data/cb4900eb9/d29b6d201725473ca42bfe25d6f8524b/FLAG1765fa5a7 [2019-11-15 23:18:31,481 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:18:31,482 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-11-15 23:18:31,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/data/cb4900eb9/d29b6d201725473ca42bfe25d6f8524b/FLAG1765fa5a7 [2019-11-15 23:18:31,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/data/cb4900eb9/d29b6d201725473ca42bfe25d6f8524b [2019-11-15 23:18:31,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:18:31,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:18:31,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:18:31,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:18:31,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:18:31,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:18:31" (1/1) ... [2019-11-15 23:18:31,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7dd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:31, skipping insertion in model container [2019-11-15 23:18:31,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:18:31" (1/1) ... [2019-11-15 23:18:31,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:18:31,885 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:18:32,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:18:32,221 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:18:32,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:18:32,330 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:18:32,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32 WrapperNode [2019-11-15 23:18:32,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:18:32,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:18:32,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:18:32,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:18:32,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:18:32,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:18:32,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:18:32,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:18:32,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... [2019-11-15 23:18:32,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:18:32,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:18:32,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:18:32,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:18:32,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:18:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:18:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 23:18:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:18:32,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:18:33,372 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:18:33,372 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-15 23:18:33,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:18:33 BoogieIcfgContainer [2019-11-15 23:18:33,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:18:33,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:18:33,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:18:33,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:18:33,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:18:31" (1/3) ... [2019-11-15 23:18:33,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b8ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:18:33, skipping insertion in model container [2019-11-15 23:18:33,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:18:32" (2/3) ... [2019-11-15 23:18:33,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b8ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:18:33, skipping insertion in model container [2019-11-15 23:18:33,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:18:33" (3/3) ... [2019-11-15 23:18:33,381 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2019-11-15 23:18:33,390 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:18:33,397 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-15 23:18:33,410 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-15 23:18:33,449 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:18:33,449 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:18:33,449 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:18:33,449 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:18:33,449 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:18:33,450 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:18:33,450 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:18:33,450 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:18:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-15 23:18:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 23:18:33,474 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:33,475 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:33,476 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:33,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:33,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2019-11-15 23:18:33,489 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:33,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887304188] [2019-11-15 23:18:33,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:33,490 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:33,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:33,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887304188] [2019-11-15 23:18:33,709 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:33,709 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:18:33,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831249806] [2019-11-15 23:18:33,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:18:33,714 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:33,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:18:33,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:18:33,727 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-15 23:18:33,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:33,755 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-15 23:18:33,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:18:33,756 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-15 23:18:33,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:33,767 INFO L225 Difference]: With dead ends: 228 [2019-11-15 23:18:33,767 INFO L226 Difference]: Without dead ends: 113 [2019-11-15 23:18:33,770 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:18:33,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-15 23:18:33,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-15 23:18:33,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-15 23:18:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-15 23:18:33,811 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-11-15 23:18:33,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:33,814 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-15 23:18:33,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:18:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-15 23:18:33,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 23:18:33,816 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:33,816 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:33,816 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:33,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:33,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2019-11-15 23:18:33,817 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:33,817 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637415483] [2019-11-15 23:18:33,817 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:33,817 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:33,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:33,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637415483] [2019-11-15 23:18:33,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:33,935 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:18:33,935 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853107851] [2019-11-15 23:18:33,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:18:33,937 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:33,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:18:33,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:18:33,937 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-15 23:18:33,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:33,961 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-15 23:18:33,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:18:33,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-15 23:18:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:33,970 INFO L225 Difference]: With dead ends: 113 [2019-11-15 23:18:33,970 INFO L226 Difference]: Without dead ends: 47 [2019-11-15 23:18:33,972 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:18:33,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-15 23:18:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-15 23:18:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-15 23:18:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-15 23:18:33,987 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-11-15 23:18:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:33,988 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-15 23:18:33,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:18:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-15 23:18:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 23:18:33,991 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:33,992 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:33,992 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:33,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:33,992 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2019-11-15 23:18:33,992 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:33,993 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297657409] [2019-11-15 23:18:33,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:33,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:33,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:34,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297657409] [2019-11-15 23:18:34,155 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:34,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:18:34,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234415385] [2019-11-15 23:18:34,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:18:34,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:34,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:18:34,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:18:34,156 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2019-11-15 23:18:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:34,230 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-15 23:18:34,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:18:34,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-15 23:18:34,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:34,232 INFO L225 Difference]: With dead ends: 88 [2019-11-15 23:18:34,232 INFO L226 Difference]: Without dead ends: 47 [2019-11-15 23:18:34,233 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:18:34,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-15 23:18:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-15 23:18:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-15 23:18:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-15 23:18:34,239 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-11-15 23:18:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:34,239 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-15 23:18:34,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:18:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-15 23:18:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 23:18:34,242 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:34,242 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:34,245 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:34,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:34,245 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2019-11-15 23:18:34,245 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:34,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804297112] [2019-11-15 23:18:34,246 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:34,246 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:34,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:34,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804297112] [2019-11-15 23:18:34,326 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:34,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:18:34,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837208344] [2019-11-15 23:18:34,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:18:34,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:34,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:18:34,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:18:34,328 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-15 23:18:34,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:34,364 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-11-15 23:18:34,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:18:34,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-15 23:18:34,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:34,365 INFO L225 Difference]: With dead ends: 109 [2019-11-15 23:18:34,366 INFO L226 Difference]: Without dead ends: 68 [2019-11-15 23:18:34,366 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:18:34,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-15 23:18:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-11-15 23:18:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-15 23:18:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-11-15 23:18:34,374 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-11-15 23:18:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:34,375 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-11-15 23:18:34,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:18:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-11-15 23:18:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 23:18:34,376 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:34,376 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:34,376 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:34,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:34,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2019-11-15 23:18:34,377 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:34,377 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190370727] [2019-11-15 23:18:34,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:34,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:34,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:34,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190370727] [2019-11-15 23:18:34,443 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:34,443 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:18:34,443 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098063593] [2019-11-15 23:18:34,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:18:34,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:34,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:18:34,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:18:34,444 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-11-15 23:18:34,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:34,532 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-11-15 23:18:34,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:18:34,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 23:18:34,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:34,534 INFO L225 Difference]: With dead ends: 175 [2019-11-15 23:18:34,534 INFO L226 Difference]: Without dead ends: 115 [2019-11-15 23:18:34,535 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:18:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-15 23:18:34,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-11-15 23:18:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-15 23:18:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-11-15 23:18:34,543 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-11-15 23:18:34,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:34,544 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-11-15 23:18:34,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:18:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-11-15 23:18:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 23:18:34,545 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:34,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:34,546 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:34,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:34,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2019-11-15 23:18:34,546 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:34,547 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660790544] [2019-11-15 23:18:34,547 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:34,547 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:34,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:34,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660790544] [2019-11-15 23:18:34,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:34,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:18:34,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944878101] [2019-11-15 23:18:34,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:18:34,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:34,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:18:34,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:18:34,645 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 8 states. [2019-11-15 23:18:35,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:35,088 INFO L93 Difference]: Finished difference Result 461 states and 653 transitions. [2019-11-15 23:18:35,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 23:18:35,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-11-15 23:18:35,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:35,093 INFO L225 Difference]: With dead ends: 461 [2019-11-15 23:18:35,094 INFO L226 Difference]: Without dead ends: 395 [2019-11-15 23:18:35,097 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-15 23:18:35,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-11-15 23:18:35,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2019-11-15 23:18:35,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-11-15 23:18:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2019-11-15 23:18:35,133 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2019-11-15 23:18:35,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:35,134 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2019-11-15 23:18:35,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:18:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2019-11-15 23:18:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-15 23:18:35,137 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:35,137 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:35,137 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:35,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:35,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2019-11-15 23:18:35,138 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:35,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950431762] [2019-11-15 23:18:35,138 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 23:18:35,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950431762] [2019-11-15 23:18:35,196 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:35,196 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:18:35,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597785996] [2019-11-15 23:18:35,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:18:35,197 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:35,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:18:35,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:18:35,198 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 4 states. [2019-11-15 23:18:35,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:35,259 INFO L93 Difference]: Finished difference Result 379 states and 513 transitions. [2019-11-15 23:18:35,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:18:35,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2019-11-15 23:18:35,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:35,261 INFO L225 Difference]: With dead ends: 379 [2019-11-15 23:18:35,262 INFO L226 Difference]: Without dead ends: 212 [2019-11-15 23:18:35,262 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:18:35,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-15 23:18:35,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 152. [2019-11-15 23:18:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-15 23:18:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2019-11-15 23:18:35,283 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2019-11-15 23:18:35,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:35,284 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2019-11-15 23:18:35,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:18:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2019-11-15 23:18:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-15 23:18:35,293 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:35,293 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:35,294 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:35,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:35,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2019-11-15 23:18:35,294 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:35,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758950400] [2019-11-15 23:18:35,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 23:18:35,379 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758950400] [2019-11-15 23:18:35,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:35,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:18:35,380 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488761333] [2019-11-15 23:18:35,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:18:35,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:35,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:18:35,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:18:35,381 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand 5 states. [2019-11-15 23:18:35,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:35,458 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2019-11-15 23:18:35,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:18:35,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-15 23:18:35,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:35,462 INFO L225 Difference]: With dead ends: 514 [2019-11-15 23:18:35,463 INFO L226 Difference]: Without dead ends: 392 [2019-11-15 23:18:35,465 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:18:35,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-11-15 23:18:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2019-11-15 23:18:35,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-15 23:18:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2019-11-15 23:18:35,492 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2019-11-15 23:18:35,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:35,492 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2019-11-15 23:18:35,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:18:35,493 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2019-11-15 23:18:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-15 23:18:35,496 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:35,496 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:35,496 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:35,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:35,497 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2019-11-15 23:18:35,497 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:35,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848644279] [2019-11-15 23:18:35,497 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,497 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 23:18:35,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848644279] [2019-11-15 23:18:35,578 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:35,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:18:35,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968943948] [2019-11-15 23:18:35,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:18:35,579 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:35,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:18:35,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:18:35,580 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand 5 states. [2019-11-15 23:18:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:35,792 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2019-11-15 23:18:35,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:18:35,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-15 23:18:35,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:35,795 INFO L225 Difference]: With dead ends: 414 [2019-11-15 23:18:35,795 INFO L226 Difference]: Without dead ends: 412 [2019-11-15 23:18:35,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:18:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-11-15 23:18:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2019-11-15 23:18:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-15 23:18:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2019-11-15 23:18:35,813 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2019-11-15 23:18:35,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:35,814 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2019-11-15 23:18:35,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:18:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2019-11-15 23:18:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-15 23:18:35,815 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:35,815 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:35,815 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:35,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:35,816 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2019-11-15 23:18:35,816 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:35,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455961084] [2019-11-15 23:18:35,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,817 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:35,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:35,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455961084] [2019-11-15 23:18:35,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924653746] [2019-11-15 23:18:35,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:18:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:36,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 23:18:36,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:18:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:18:36,101 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:18:36,101 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-15 23:18:36,102 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898762734] [2019-11-15 23:18:36,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:18:36,102 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:36,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:18:36,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:18:36,103 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 6 states. [2019-11-15 23:18:36,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:36,321 INFO L93 Difference]: Finished difference Result 459 states and 614 transitions. [2019-11-15 23:18:36,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:18:36,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-11-15 23:18:36,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:36,324 INFO L225 Difference]: With dead ends: 459 [2019-11-15 23:18:36,324 INFO L226 Difference]: Without dead ends: 331 [2019-11-15 23:18:36,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:18:36,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-11-15 23:18:36,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 201. [2019-11-15 23:18:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-11-15 23:18:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 262 transitions. [2019-11-15 23:18:36,350 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 262 transitions. Word has length 52 [2019-11-15 23:18:36,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:36,350 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 262 transitions. [2019-11-15 23:18:36,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:18:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 262 transitions. [2019-11-15 23:18:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-15 23:18:36,352 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:36,352 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:36,561 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:18:36,561 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:36,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:36,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1104899688, now seen corresponding path program 2 times [2019-11-15 23:18:36,562 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:36,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991287669] [2019-11-15 23:18:36,562 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:36,562 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:36,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 23:18:36,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991287669] [2019-11-15 23:18:36,746 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:36,746 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:18:36,746 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193642067] [2019-11-15 23:18:36,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:18:36,747 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:36,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:18:36,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:18:36,747 INFO L87 Difference]: Start difference. First operand 201 states and 262 transitions. Second operand 5 states. [2019-11-15 23:18:37,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:37,097 INFO L93 Difference]: Finished difference Result 608 states and 806 transitions. [2019-11-15 23:18:37,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:18:37,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-15 23:18:37,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:37,101 INFO L225 Difference]: With dead ends: 608 [2019-11-15 23:18:37,101 INFO L226 Difference]: Without dead ends: 436 [2019-11-15 23:18:37,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:18:37,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-11-15 23:18:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 274. [2019-11-15 23:18:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-15 23:18:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 355 transitions. [2019-11-15 23:18:37,137 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 355 transitions. Word has length 73 [2019-11-15 23:18:37,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:37,138 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 355 transitions. [2019-11-15 23:18:37,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:18:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 355 transitions. [2019-11-15 23:18:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-15 23:18:37,140 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:18:37,140 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:18:37,140 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:18:37,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:18:37,140 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2019-11-15 23:18:37,141 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:18:37,141 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892838327] [2019-11-15 23:18:37,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:37,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:18:37,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:18:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:18:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-15 23:18:37,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892838327] [2019-11-15 23:18:37,232 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:18:37,232 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:18:37,232 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031020169] [2019-11-15 23:18:37,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:18:37,233 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:18:37,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:18:37,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:18:37,233 INFO L87 Difference]: Start difference. First operand 274 states and 355 transitions. Second operand 7 states. [2019-11-15 23:18:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:18:37,354 INFO L93 Difference]: Finished difference Result 483 states and 625 transitions. [2019-11-15 23:18:37,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:18:37,355 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-11-15 23:18:37,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:18:37,355 INFO L225 Difference]: With dead ends: 483 [2019-11-15 23:18:37,355 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:18:37,356 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:18:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:18:37,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:18:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:18:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:18:37,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-11-15 23:18:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:18:37,357 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:18:37,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:18:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:18:37,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:18:37,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:18:37,735 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 128 [2019-11-15 23:18:37,923 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 128 [2019-11-15 23:18:38,079 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 121 [2019-11-15 23:18:38,222 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2019-11-15 23:18:38,485 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 128 [2019-11-15 23:18:38,634 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 106 [2019-11-15 23:18:38,953 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 25 [2019-11-15 23:18:39,287 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2019-11-15 23:18:39,972 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-11-15 23:18:40,140 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-11-15 23:18:40,656 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-11-15 23:18:41,082 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 22 [2019-11-15 23:18:41,369 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2019-11-15 23:18:41,616 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2019-11-15 23:18:42,042 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-11-15 23:18:42,416 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 15 [2019-11-15 23:18:42,440 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,440 INFO L443 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,440 INFO L443 ceAbstractionStarter]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,440 INFO L443 ceAbstractionStarter]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,441 INFO L439 ceAbstractionStarter]: At program point L663(lines 658 666) the Hoare annotation is: (let ((.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse2 (<= 1 ~waterLevel~0) (and (and .cse0 .cse1 .cse3 .cse4) (= ~pumpRunning~0 0))))) [2019-11-15 23:18:42,441 INFO L443 ceAbstractionStarter]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,441 INFO L439 ceAbstractionStarter]: At program point L663-1(lines 658 666) the Hoare annotation is: false [2019-11-15 23:18:42,441 INFO L443 ceAbstractionStarter]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,441 INFO L439 ceAbstractionStarter]: At program point L663-2(lines 658 666) the Hoare annotation is: false [2019-11-15 23:18:42,441 INFO L443 ceAbstractionStarter]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,441 INFO L439 ceAbstractionStarter]: At program point L498(lines 494 500) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-15 23:18:42,441 INFO L443 ceAbstractionStarter]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,441 INFO L443 ceAbstractionStarter]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,441 INFO L443 ceAbstractionStarter]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L439 ceAbstractionStarter]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) .cse0 .cse1) (<= 2 ~waterLevel~0)) (and (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 .cse1) (= ~pumpRunning~0 0)))) [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L446 ceAbstractionStarter]: At program point L534(lines 515 537) the Hoare annotation is: true [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-11-15 23:18:42,442 INFO L443 ceAbstractionStarter]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-11-15 23:18:42,443 INFO L443 ceAbstractionStarter]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-11-15 23:18:42,443 INFO L443 ceAbstractionStarter]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-11-15 23:18:42,443 INFO L443 ceAbstractionStarter]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-11-15 23:18:42,443 INFO L439 ceAbstractionStarter]: At program point L701(lines 700 719) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 23:18:42,443 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-11-15 23:18:42,443 INFO L439 ceAbstractionStarter]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-11-15 23:18:42,443 INFO L439 ceAbstractionStarter]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-11-15 23:18:42,443 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-15 23:18:42,443 INFO L439 ceAbstractionStarter]: At program point L867(lines 852 870) the Hoare annotation is: false [2019-11-15 23:18:42,443 INFO L439 ceAbstractionStarter]: At program point L867-1(lines 852 870) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-11-15 23:18:42,443 INFO L439 ceAbstractionStarter]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2019-11-15 23:18:42,443 INFO L439 ceAbstractionStarter]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2019-11-15 23:18:42,444 INFO L439 ceAbstractionStarter]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2019-11-15 23:18:42,444 INFO L439 ceAbstractionStarter]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2019-11-15 23:18:42,444 INFO L439 ceAbstractionStarter]: At program point L570(lines 1 964) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 677) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L671-3(lines 671 677) no Hoare annotation was computed. [2019-11-15 23:18:42,444 INFO L443 ceAbstractionStarter]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-11-15 23:18:42,445 INFO L443 ceAbstractionStarter]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2019-11-15 23:18:42,445 INFO L443 ceAbstractionStarter]: For program point L671-5(lines 671 677) no Hoare annotation was computed. [2019-11-15 23:18:42,445 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-11-15 23:18:42,445 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2019-11-15 23:18:42,445 INFO L439 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and .cse0 (<= 2 ~waterLevel~0)) (and (and .cse0 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)))) [2019-11-15 23:18:42,445 INFO L439 ceAbstractionStarter]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-11-15 23:18:42,446 INFO L439 ceAbstractionStarter]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-11-15 23:18:42,446 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-11-15 23:18:42,446 INFO L443 ceAbstractionStarter]: For program point L543-1(line 543) no Hoare annotation was computed. [2019-11-15 23:18:42,446 INFO L443 ceAbstractionStarter]: For program point L543-2(line 543) no Hoare annotation was computed. [2019-11-15 23:18:42,446 INFO L439 ceAbstractionStarter]: At program point L676(lines 667 680) the Hoare annotation is: false [2019-11-15 23:18:42,446 INFO L439 ceAbstractionStarter]: At program point L676-1(lines 667 680) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse1 .cse2 .cse3) .cse4) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse4 .cse2 .cse3)))) [2019-11-15 23:18:42,447 INFO L439 ceAbstractionStarter]: At program point L676-2(lines 667 680) the Hoare annotation is: false [2019-11-15 23:18:42,447 INFO L439 ceAbstractionStarter]: At program point L676-3(lines 667 680) the Hoare annotation is: false [2019-11-15 23:18:42,447 INFO L439 ceAbstractionStarter]: At program point L676-4(lines 667 680) the Hoare annotation is: false [2019-11-15 23:18:42,447 INFO L439 ceAbstractionStarter]: At program point L676-5(lines 667 680) the Hoare annotation is: false [2019-11-15 23:18:42,447 INFO L439 ceAbstractionStarter]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-15 23:18:42,447 INFO L439 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: false [2019-11-15 23:18:42,448 INFO L443 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2019-11-15 23:18:42,448 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-15 23:18:42,448 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-11-15 23:18:42,448 INFO L439 ceAbstractionStarter]: At program point L812(lines 807 815) the Hoare annotation is: false [2019-11-15 23:18:42,448 INFO L439 ceAbstractionStarter]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2019-11-15 23:18:42,448 INFO L439 ceAbstractionStarter]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2019-11-15 23:18:42,448 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:18:42,449 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-11-15 23:18:42,449 INFO L439 ceAbstractionStarter]: At program point L417-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 .cse1) (= ~pumpRunning~0 0)) (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1))) [2019-11-15 23:18:42,449 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-11-15 23:18:42,449 INFO L439 ceAbstractionStarter]: At program point L417-3(lines 1 964) the Hoare annotation is: false [2019-11-15 23:18:42,449 INFO L443 ceAbstractionStarter]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-11-15 23:18:42,449 INFO L439 ceAbstractionStarter]: At program point L417-5(lines 1 964) the Hoare annotation is: false [2019-11-15 23:18:42,450 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-11-15 23:18:42,450 INFO L443 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2019-11-15 23:18:42,450 INFO L443 ceAbstractionStarter]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2019-11-15 23:18:42,450 INFO L443 ceAbstractionStarter]: For program point L880-5(lines 880 884) no Hoare annotation was computed. [2019-11-15 23:18:42,450 INFO L443 ceAbstractionStarter]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2019-11-15 23:18:42,450 INFO L443 ceAbstractionStarter]: For program point L880-8(lines 880 884) no Hoare annotation was computed. [2019-11-15 23:18:42,450 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-11-15 23:18:42,451 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 701 707) no Hoare annotation was computed. [2019-11-15 23:18:42,451 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2019-11-15 23:18:42,451 INFO L439 ceAbstractionStarter]: At program point L947-2(lines 701 707) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) .cse0 .cse1) (<= 2 ~waterLevel~0)) (and (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 .cse1) (= ~pumpRunning~0 0)))) [2019-11-15 23:18:42,451 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-11-15 23:18:42,451 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-11-15 23:18:42,451 INFO L443 ceAbstractionStarter]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-11-15 23:18:42,451 INFO L443 ceAbstractionStarter]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-11-15 23:18:42,452 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:18:42,452 INFO L439 ceAbstractionStarter]: At program point L686(lines 681 689) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 23:18:42,452 INFO L439 ceAbstractionStarter]: At program point L686-1(lines 681 689) the Hoare annotation is: false [2019-11-15 23:18:42,452 INFO L439 ceAbstractionStarter]: At program point L686-2(lines 681 689) the Hoare annotation is: false [2019-11-15 23:18:42,452 INFO L443 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2019-11-15 23:18:42,452 INFO L439 ceAbstractionStarter]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) .cse0 .cse1) (<= 2 ~waterLevel~0)) (and (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 .cse1) (= ~pumpRunning~0 0)))) [2019-11-15 23:18:42,453 INFO L439 ceAbstractionStarter]: At program point L886(lines 871 889) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~8) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 23:18:42,453 INFO L439 ceAbstractionStarter]: At program point L886-1(lines 871 889) the Hoare annotation is: false [2019-11-15 23:18:42,453 INFO L439 ceAbstractionStarter]: At program point L886-2(lines 871 889) the Hoare annotation is: false [2019-11-15 23:18:42,453 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:18:42,453 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-11-15 23:18:42,453 INFO L446 ceAbstractionStarter]: At program point L525-1(lines 525 532) the Hoare annotation is: true [2019-11-15 23:18:42,454 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:18:42,454 INFO L439 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: false [2019-11-15 23:18:42,454 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-11-15 23:18:42,454 INFO L443 ceAbstractionStarter]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-11-15 23:18:42,454 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-11-15 23:18:42,454 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-11-15 23:18:42,454 INFO L443 ceAbstractionStarter]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2019-11-15 23:18:42,455 INFO L443 ceAbstractionStarter]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2019-11-15 23:18:42,455 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-15 23:18:42,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:18:42 BoogieIcfgContainer [2019-11-15 23:18:42,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:18:42,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:18:42,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:18:42,479 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:18:42,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:18:33" (3/4) ... [2019-11-15 23:18:42,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:18:42,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-15 23:18:42,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-15 23:18:42,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-15 23:18:42,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:18:42,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:18:42,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-15 23:18:42,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-15 23:18:42,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-15 23:18:42,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) || ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-15 23:18:42,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-15 23:18:42,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-15 23:18:42,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-15 23:18:42,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-15 23:18:42,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) [2019-11-15 23:18:42,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((1 <= \result && 1 <= waterLevel) && (((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-15 23:18:42,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-15 23:18:42,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-15 23:18:42,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && !(0 == \result)) && 0 == tmp) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-15 23:18:42,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == tmp && 0 == \result) && \result == 1) && \result == 1) && 0 == tmp___0) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (2 <= waterLevel && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-15 23:18:42,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df370681-c068-42d8-aa01-74ec42a4e238/bin/uautomizer/witness.graphml [2019-11-15 23:18:42,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:18:42,602 INFO L168 Benchmark]: Toolchain (without parser) took 10775.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.1 MB). Free memory was 948.8 MB in the beginning and 1.0 GB in the end (delta: -95.7 MB). Peak memory consumption was 197.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:18:42,602 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:18:42,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:18:42,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:18:42,603 INFO L168 Benchmark]: Boogie Preprocessor took 91.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:18:42,603 INFO L168 Benchmark]: RCFGBuilder took 874.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:18:42,604 INFO L168 Benchmark]: TraceAbstraction took 9104.33 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -40.3 MB). Peak memory consumption was 402.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:18:42,604 INFO L168 Benchmark]: Witness Printer took 121.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:18:42,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 503.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 874.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9104.33 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -40.3 MB). Peak memory consumption was 402.6 MB. Max. memory is 11.5 GB. * Witness Printer took 121.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((1 <= \result && 1 <= waterLevel) && (((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && !(0 == \result)) && 0 == tmp) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((((((1 == tmp && 0 == \result) && \result == 1) && \result == 1) && 0 == tmp___0) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (2 <= waterLevel && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) || ((((((1 == tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((1 == tmp && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 9.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, HoareTripleCheckerStatistics: 1208 SDtfs, 2140 SDslu, 2147 SDs, 0 SdLazy, 398 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1107 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 125 NumberOfFragments, 496 HoareAnnotationTreeSize, 43 FomulaSimplifications, 732854 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 125986 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 41936 SizeOfPredicates, 4 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 162/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...